/* Blog shared styles for Instagram Cheapest */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --purple: #8b5cf6;
    --pink: #ec4899;
    --amber: #f59e0b;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, var(--purple) 0%, var(--pink) 50%, var(--amber) 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.7;
    color: var(--gray-800);
    background: var(--white);
}

code, pre {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
}

/* Navigation */
nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--gray-900);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--gray-900);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(139, 92, 246, 0.4);
}

/* Blog index hero */
.blog-hero {
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
    padding: 4rem 1.5rem 3rem;
    text-align: center;
}

.blog-hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.blog-hero p {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Blog index grid */
.blog-grid {
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem 1.5rem 5rem;
    display: grid;
    gap: 2rem;
}

.blog-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.2s;
    text-decoration: none;
    color: inherit;
    display: block;
}

.blog-card:hover {
    border-color: var(--purple);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.1);
    transform: translateY(-2px);
}

.blog-card h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.blog-card p {
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.blog-card .read-more {
    color: var(--purple);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-card .read-more::after {
    content: "→";
}

/* Article layout */
.article-container {
    max-width: 720px;
    margin: 0 auto;
    padding: 3rem 1.5rem 5rem;
}

article h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 2rem;
    line-height: 1.2;
}

article h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 2.5rem 0 1rem;
    line-height: 1.3;
}

article h3 {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 2rem 0 1rem;
}

article p {
    margin-bottom: 1.5rem;
    font-size: 1.0625rem;
    line-height: 1.8;
}

article a {
    color: var(--purple);
    text-decoration: none;
    font-weight: 500;
}

article a:hover {
    text-decoration: underline;
}

article ul, article ol {
    margin-bottom: 1.5rem;
    padding-left: 1.75rem;
}

article li {
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

article code {
    background: var(--gray-100);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--purple);
}

article pre {
    background: var(--gray-900);
    color: var(--gray-100);
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

article pre code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: 0.875rem;
}

article blockquote {
    border-left: 4px solid var(--purple);
    background: var(--gray-50);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    border-radius: 4px;
}

article blockquote p {
    margin-bottom: 0;
    font-style: italic;
    color: var(--gray-700);
}

/* CTA box */
.article-cta {
    background: var(--gradient);
    color: var(--white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    margin: 3rem 0 2rem;
}

.article-cta h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--white);
}

.article-cta p {
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.article-cta .btn {
    background: var(--white);
    color: var(--purple);
}

.article-cta .btn:hover {
    background: var(--gray-50);
}

/* Footer */
footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 3rem 1.5rem 2rem;
    text-align: center;
}

footer p {
    font-size: 0.875rem;
    line-height: 1.7;
    max-width: 800px;
    margin: 0 auto 1rem;
}

footer a {
    color: var(--purple);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

footer .footer-links {
    margin-top: 1.5rem;
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links a:not(.btn) {
        display: none;
    }

    .blog-hero h1 {
        font-size: 2rem;
    }

    article h1 {
        font-size: 2rem;
    }

    article h2 {
        font-size: 1.5rem;
    }

    article h3 {
        font-size: 1.25rem;
    }

    .article-container {
        padding: 2rem 1rem 3rem;
    }
}